Home / 47,918,754.28-66,141,445.62-28,346,446.72

Finding the Fourth Proportional to 47,918,754.28, 66,141,445.62 and 28,346,446.72

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Solution

The fourth proportional to 47,918,754.28, 66,141,445.62 and 28,346,446.72 is: 39,126,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918,754.28 : 66,141,445.62 = 28,346,446.72 : x
  2. Step 2: Convert to fraction form
    47,918,754.28/66,141,445.62 = 28,346,446.72/x
  3. Step 3: Cross multiply
    47,918,754.28x = 66,141,445.62 × 28,346,446.72
  4. Step 4: Simplify right side
    47,918,754.28x = 1,874,874,964,251,107.25
  5. Step 5: Solve for x
    x = 1,874,874,964,251,107.25/47,918,754.28
  6. Step 6: Final answer
    x = 39,126,120.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.